CN213544429U - Special metal pipe detection device based on machine vision - Google Patents
Special metal pipe detection device based on machine vision Download PDFInfo
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- CN213544429U CN213544429U CN202022634074.4U CN202022634074U CN213544429U CN 213544429 U CN213544429 U CN 213544429U CN 202022634074 U CN202022634074 U CN 202022634074U CN 213544429 U CN213544429 U CN 213544429U
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Abstract
The utility model discloses a special metal pipe detection device based on machine vision, which comprises a vertically fixed mounting stand column and a metal pipe fixing base on a detection platform table-board, wherein the metal pipe fixing base is used for fixing the metal pipe; a base vision collector is arranged on the metal pipe fixing base, and the collection end of the base vision collector is aligned to the surface of the metal pipe base; a main body vision collector is fixed on the metal pipe clamping detection mechanism, and the collection end of the main body vision collector is aligned to the metal pipe main body; a wire laser sensor is fixed on the metal pipe clamping detection mechanism, and the detection end of the wire laser sensor is aligned with the metal pipe main body. Has the advantages that: the detection and detection of scratches, stains and scars on the surface of the pipe are realized.
Description
Technical Field
The utility model belongs to the technical field of special metal tubular product detection technique and specifically relates to a special metal tubular product detection device based on machine vision.
Background
For special metal pipes, the requirements for the pipes are extremely strict due to the requirements of special industries. For example, scratches, stains, scars, etc., cannot be formed on the surface of the pipe. Which can have a great impact on subsequent processing. Under the conditions of high precision and high standard, the pipe needs to be further detected after being produced. However, because of the requirement of the special pipe or the particularity of the filling material in the special pipe, the special pipe must be kept upright before installation and cannot be laid down, so that the special pipe is difficult to detect. And the pipe is generally formed by connecting a plurality of parts, a movable device is needed when the surface detection device is designed. Based on the above requirements, no device can be realized, so it is necessary to design a detection device according to the above special requirements.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a special metal tubular product detection device based on machine vision designs testing platform, based on the installation stand, comes fixed mounting detection device, realizes that vertical mar, spot, the scar on tubular product surface carry out segmentation subregion and detects, surveys.
In order to achieve the above purpose, the utility model adopts the following specific technical scheme:
the utility model provides a special type metal tubular product detection device based on machine vision, its key technology lies in: the metal pipe clamping and detecting device comprises a detecting platform and a mounting upright post, wherein the mounting upright post and a metal pipe fixing base are vertically fixed on the table top of the detecting platform, the metal pipe fixing base is used for fixing a metal pipe, a screw rod lifting driving mechanism is arranged on the mounting upright post along the extending direction of the upright post, a metal pipe clamping and detecting mechanism and a metal pipe clamping and supporting seat mechanism are arranged on a screw rod of the screw rod lifting driving mechanism, and the metal pipe clamping and detecting mechanism is used for clamping the metal pipe; a base vision collector is arranged on the metal pipe fixing base, and the collection end of the base vision collector is over against the surface of the metal pipe base; at least one main body vision collector is fixed on the metal pipe clamping detection mechanism, and the collection end of the main body vision collector is aligned to the metal pipe main body; and a wire laser sensor is fixed on the metal pipe clamping detection mechanism, and the detection end of the wire laser sensor is aligned with the metal pipe main body.
Through the design, the metal pipe is fixed on the metal pipe fixing base and is clamped and fixed through the metal pipe clamping detection mechanism and the metal pipe clamping support seat mechanism. The condition of vertical detection of the metal pipe is achieved. The base vision collector and the main body vision collector are used for absorbing the surface of the metal pipe and picking up the position and the area of scratches, stains and scars of the metal pipe. Simultaneously, the base vision collector detects and monitors the position after springback after the spring deformation of metal tubular product bottom to combine line laser sensor to survey the degree of depth that corresponds mar, scar, realize automated inspection, solved the unable mar, spot, the scar that discover of naked eye. The problem of automatic detection is realized, and the method is accurate and quick.
Further described, the screw rod lifting driving mechanism comprises a driving motor, a driving shaft and the screw rod, the driving output end of the driving motor is connected with the driving shaft, the driving shaft and the screw rod are meshed, the driving shaft is far away from one end of the driving motor and is provided with a fixing flange, and a screw rod nut is movably sleeved on the screw rod.
By adopting the technical scheme, the screw rod is driven to rotate under the driving of the driving motor and the driving shaft, and the metal pipe clamping detection mechanism is driven to move up and down.
According to a further technical scheme, the metal pipe clamping detection mechanism comprises a mounting surface, a nut seat and a sliding block are arranged on the mounting surface, a screw nut is fixedly connected with the nut seat, the sliding block is connected with a sliding rail in a matched mode, the sliding rail is arranged along the extending direction of the mounting upright column, and the sliding rail is parallel to the screw rod;
the metal pipe clamping detection mechanism is characterized in that one end, far away from the mounting surface, of the metal pipe clamping detection mechanism is provided with a metal pipe through hole, the axis of the metal pipe through hole is parallel to the screw rod, a clamping cylinder support is fixed on the metal pipe clamping detection mechanism, a pair of clamping cylinders are symmetrically fixed on the clamping cylinder support, the telescopic end of each clamping cylinder is connected with a clamping block respectively, and the two clamping blocks are used for clamping the metal pipe.
By adopting the technical scheme, the lead screw lifting driving mechanism can drive the main body vision collector and the line laser sensor to move up and down along the metal pipe, so that the metal pipe can be detected at different height positions. The metal pipe clamping detection mechanism is limited in moving direction under the matching of the sliding rail and the sliding block, so that the metal pipe clamping detection mechanism can be controlled to move along the extending direction of the metal pipe.
According to a further technical scheme, a drag chain motor, an upper drag chain tray and a lower drag chain tray are arranged on the metal pipe clamping detection mechanism, the upper drag chain tray and the lower drag chain tray are respectively positioned at two end parts of the metal pipe through hole, and the drag chain motor is respectively connected with drag chains of the upper drag chain tray and the lower drag chain tray;
an upper tray metal pipe through hole is formed in the upper drag chain tray, and the main body vision collector and the line laser sensor are arranged along the edge of the upper tray metal pipe through hole;
the lower drag chain tray is provided with a lower tray metal pipe through hole, the lower drag chain tray is fixed with a brush motor, an output shaft of the brush motor is connected with a brush, and the brush is used for clinging to the metal pipe.
By adopting the scheme, the drag chain motor drives the upper drag chain tray and the lower drag chain tray to rotate, so that the main body vision collector and the line laser sensor are controlled to rotate, and the metal pipe is detected at different angles. And the brush is arranged on the lower drag chain tray to clean the stain on the metal pipe.
According to a further technical scheme, a visual collector base is fixed on the upper drag chain tray, the main body visual collector is installed above the visual collector base, a visual installation bottom plate is further arranged below the visual collector base, a visual driving air cylinder is fixed on the visual installation bottom plate, a visual driving sliding block is connected to the driving end of the visual driving air cylinder, and the visual driving sliding block is fixed at the bottom of the visual collector base; the vision installation base plate is provided with a vision drive sliding rail, and the vision drive sliding rail is connected with the vision drive sliding block in a matched mode.
The main body vision collector can be driven to move back and forth along the vision collection direction by combining the vision drive cylinder, the vision drive sliding rail and the vision drive sliding block, so that the vision collection area and precision are changed, and far and near stretching shooting is realized.
According to a further technical scheme, the metal pipe clamping and supporting seat mechanism comprises a supporting frame and two supporting clamping cylinders, the mounting surface of the supporting frame is fixedly connected with the mounting upright post, one end, far away from the mounting surface, of the supporting frame is a supporting end, the supporting end of the supporting frame is symmetrically provided with the two supporting clamping cylinders, the telescopic ends of the two supporting clamping cylinders are connected with supporting clamping blocks, and the two supporting clamping blocks are used for supporting and clamping the metal pipe.
By adopting the scheme, the metal pipe is clamped, and the clamping reliability is improved.
The utility model has the advantages that: the metal pipe is fixed on the metal pipe fixing base and is clamped and fixed by the metal pipe clamping detection mechanism and the metal pipe clamping support seat mechanism. The condition of vertical detection of the metal pipe is achieved. The base vision collector and the main body vision collector are used for absorbing the surface of the metal pipe and picking up the position and the area of scratches, stains and scars of the metal pipe. And the depth of the corresponding scratch and the flaw is detected by combining a line laser sensor, so that automatic detection is realized, and the problem that the scratch, the stain and the flaw cannot be found by naked eyes is solved. The problem of automatic detection is realized, and the method is accurate and quick.
Drawings
Fig. 1 is a schematic perspective view of the present invention;
fig. 2 is a schematic perspective view of the present invention;
fig. 3 is a side view of the detection device of the present invention;
FIG. 4 is a schematic structural view of the detection platform and the mounting post of the present invention;
FIG. 5 is a schematic structural view of the metal tube clamping detection mechanism of the present invention;
fig. 6 is a front view of the present invention.
Detailed Description
The following provides a more detailed description of the embodiments and the operation of the present invention with reference to the accompanying drawings.
A special metal pipe detection device based on machine vision can be seen by combining a figure 1-3, and comprises a detection platform 1 and an installation upright post 2, wherein the installation upright post 2 and a metal pipe fixing base 3 are vertically fixed on the table top of the detection platform 1, the metal pipe fixing base 3 is used for fixing a metal pipe 4, a screw rod lifting driving mechanism 5 is arranged on the installation upright post 2 along the extension direction of the upright post, a metal pipe clamping detection mechanism 6 and a metal pipe clamping support base mechanism 12 are arranged on a screw rod 51 of the screw rod lifting driving mechanism 5, and the metal pipe clamping detection mechanism 6 is used for clamping the metal pipe 4;
a base vision collector 7 is arranged on the metal pipe fixing base 3, and the collecting end of the base vision collector 7 is over against the surface of the base of the metal pipe 4;
as can be seen from fig. 6, 2 main body vision collectors 8 are fixed on the metal pipe clamping detection mechanism 6, and the collection ends of the main body vision collectors 8 are opposite to the main body of the metal pipe 4;
in this embodiment, the base vision acquirer 7 and the main body vision acquirer 8 are both industrial cameras. And a light source is arranged between the industrial camera and the metal tube 4. The controller is used for controlling the light sources, and the metal tube clamping detection mechanism 6 is also provided with a controller which is used for controlling the lighting of the light sources one by one.
In combination with 1 and 2, it can be seen that 1 line laser sensor 9 is fixed on the metal pipe clamping detection mechanism 6, and the detection end of the line laser sensor 9 is aligned with the main body of the metal pipe 4.
In combination with fig. 4, the lead screw lifting driving mechanism 5 includes a driving motor 52, a driving shaft 53 and the lead screw 51, the driving shaft 53 is connected to a driving output end of the driving motor 52, the driving shaft 53 is engaged with the lead screw 51, a fixing flange 54 is arranged at one end of the driving shaft 53 far away from the driving motor 52, and a lead screw nut 55 is movably sleeved on the lead screw 51.
As can be seen from fig. 1, 5 and 6, the metal tube clamping detection mechanism 6 includes a mounting surface, a nut seat 61 and a slide block 62 are disposed on the mounting surface, the feed screw nut 55 is fixedly connected to the nut seat 61, the slide block 62 is connected to a slide rail 21 in a matching manner, the slide rail 21 is disposed along the extending direction of the mounting column 2, and the slide rail 21 is parallel to the feed screw 51; the metal pipe clamping detection mechanism 6 is provided with a metal pipe through hole 63 at one end far away from the mounting surface, the axis of the metal pipe through hole 63 is parallel to the screw rod 51, a clamping cylinder support 64 is fixed on the metal pipe clamping detection mechanism 6, a pair of clamping cylinders 65 are symmetrically fixed on the clamping cylinder support 64, the telescopic end of each clamping cylinder 65 is respectively connected with a clamping block 66, and the two clamping blocks 66 are just arranged to clamp the metal pipe 4.
As can be seen from fig. 1 and 5, a drag chain motor 67, an upper drag chain tray 10a and a lower drag chain tray 10b are arranged on the metal pipe clamping detection mechanism 6, the upper drag chain tray 10a and the lower drag chain tray 10b are respectively located at two ends of the metal pipe through hole 63, and the drag chain motor 67 is respectively connected with drag chains of the upper drag chain tray 10a and the lower drag chain tray 10 b;
an upper tray metal pipe through hole 63 is formed in the upper drag chain tray 10a, and the main body vision collector 8 and the line laser sensor 9 are arranged along the edge of the upper tray metal pipe through hole 63;
as can be seen from fig. 3, a lower tray metal pipe through hole 63 is formed in the lower tow chain tray 10b, a brush motor 11 is fixed on the lower tow chain tray 10b, a brush 13 is connected to an output shaft of the brush motor 11, and the brush 13 is used for being tightly attached to the metal pipe 4.
As can be seen from fig. 1 to 6, a vision collector base 81 is fixed to the upper tow chain tray 10a, the main body vision collector 8 is installed above the vision collector base 81, a vision installation base plate 82 is further arranged below the vision collector base 81, a vision driving cylinder 83 is fixed to the vision installation base plate 82, a vision driving slider 84 is connected to a driving end of the vision driving cylinder 83, and the vision driving slider 84 is fixed to the bottom of the vision collector base 81; the vision mounting base plate 82 is provided with a vision driving slide rail 85, and the vision driving slide rail 85 is connected with the vision driving slide block 84 in a matching manner.
As can be seen from fig. 6, the metal tube clamping support mechanism 12 includes a support frame 121 and two supporting clamping cylinders 122, the mounting surface of the support frame 121 is fixedly connected to the mounting column 2, one end of the support frame 121, which is far away from the mounting surface, is a support end, two supporting clamping cylinders 122 are symmetrically disposed on the support end of the support frame 121, the telescopic ends of the two supporting clamping cylinders 122 are connected to supporting clamping blocks 123, and the two supporting clamping blocks 123 are used for supporting and clamping the metal tube 4.
The utility model discloses a theory of operation:
the driving motor 52 drives the screw rod 51 to rotate; the metal tube clamping detection mechanism 6 is fixed on the mounting upright post 2 through a sliding block, and the metal tube clamping detection mechanism 6 can only move up and down under the driving of the screw rod 51.
The clamping cylinder 65 on the metal pipe clamping detection mechanism 6 clamps the metal pipe 4,
the position of the scratch, the stain and the flaw on the surface of the metal pipe 4 is detected by 2 main body vision collectors 8 on the metal pipe clamping detection mechanism 6.
The linear laser sensor 9 on the metal pipe clamping detection mechanism 6 detects scratches and scars on the surface of the metal pipe 4, and the detection position of the linear laser sensor is derived from the detection result of the main body vision collector 8.
The drag chain motor 67 drives the upper drag chain tray 10a and the lower drag chain tray 10b to rotate, wherein the 2 main body vision collectors 8 and the line laser sensor 9 positioned on the upper drag chain tray 10a rotate under the driving of the drag chain motor; the brush 13 of the lower drag chain tray 10b is rotated by the drag chain motor 67 and cleans the surface of the metal pipe 4.
The base vision collector 7 is used for detecting the positions of connecting seams at the bottom of the metal pipe 4 and scratches, stains and scars on the surface. Meanwhile, the spring arranged on the metal pipe 4 is surrounded in a rotating mode at two positions at the bottom of the metal pipe 4, the spring is rotated, pulled up or compressed in the testing process, after the spring rebounds, the industrial camera detects the length and the position of the spring, and the deformation precision of the industrial camera is controlled within a preset range.
Claims (6)
1. The utility model provides a special type metal tubular product detection device based on machine vision which characterized in that: the device comprises a detection platform (1) and a mounting upright post (2), wherein the mounting upright post (2) and a metal pipe fixing base (3) are vertically fixed on the table top of the detection platform (1), the metal pipe fixing base (3) is used for fixing a metal pipe (4), a screw rod lifting driving mechanism (5) is arranged on the mounting upright post (2) along the extension direction of the upright post, a metal pipe clamping detection mechanism (6) and a metal pipe clamping support seat mechanism (12) are arranged on a screw rod (51) of the screw rod lifting driving mechanism (5), and the metal pipe clamping detection mechanism (6) is used for clamping the metal pipe (4);
a base vision collector (7) is arranged on the metal pipe fixing base (3), and the collection end of the base vision collector (7) is over against the surface of the base of the metal pipe (4);
at least one main body vision collector (8) is fixed on the metal pipe clamping detection mechanism (6), and the collection end of the main body vision collector (8) is over against the main body of the metal pipe (4);
a wire laser sensor (9) is fixed on the metal pipe clamping detection mechanism (6), and the detection end of the wire laser sensor (9) is aligned with the metal pipe (4) main body.
2. The special metal pipe detection device based on the machine vision is characterized in that: lead screw lift actuating mechanism (5) include driving motor (52), drive shaft (53) and lead screw (51), be connected with on the drive output of driving motor (52) drive shaft (53), lead screw (51) meshing, drive shaft (53) are kept away from the one end of driving motor (52) is provided with mounting flange (54), the activity cover is equipped with screw-nut (55) on lead screw (51).
3. The special metal pipe detection device based on the machine vision as claimed in claim 2, wherein: the metal pipe clamping detection mechanism (6) comprises a mounting surface, a nut seat (61) and a sliding block (62) are arranged on the mounting surface, the feed screw nut (55) is fixedly connected with the nut seat (61), the sliding block (62) is matched and connected with a sliding rail (21), the sliding rail (21) is arranged along the extending direction of the mounting upright post (2), and the sliding rail (21) is parallel to the feed screw (51);
keep away from on tubular metal resonator centre gripping detection mechanism (6) tubular metal resonator via hole (63) have been seted up to installation face one end, tubular metal resonator via hole (63) axis with lead screw (51) are parallel, be fixed with die clamping cylinder support (64) on tubular metal resonator centre gripping detection mechanism (6), the symmetry is fixed with a pair of die clamping cylinder (65) on this die clamping cylinder support (64), and the flexible end of every die clamping cylinder (65) is connected with respectively presss from both sides tight piece (66), two it is used for the centre gripping just to set up to press from both sides tight piece (66) tubular metal resonator (4).
4. The special metal pipe detection device based on machine vision as claimed in claim 3, wherein: the metal pipe clamping detection mechanism (6) is provided with a drag chain motor (67), an upper drag chain tray (10a) and a lower drag chain tray (10b), the upper drag chain tray (10a) and the lower drag chain tray (10b) are respectively positioned at two ends of the metal pipe through hole (63), and the drag chain motor (67) is respectively connected with drag chains of the upper drag chain tray (10a) and the lower drag chain tray (10 b);
an upper tray metal pipe through hole (63) is formed in the upper drag chain tray (10a), and the main body vision collector (8) and the line laser sensor (9) are arranged along the edge of the upper tray metal pipe through hole (63);
lower tray tubular metal resonator via hole (63) have been opened on tow chain tray (10b) down, be fixed with brush motor (11) on tow chain tray (10b) down, be connected with brush (13) on the output shaft of brush motor (11), this brush (13) are used for hugging closely metal tubular product (4).
5. The special metal pipe detection device based on machine vision as claimed in claim 4, wherein: a vision collector base (81) is fixed on the upper drag chain tray (10a), the main body vision collector (8) is installed above the vision collector base (81), a vision installation bottom plate (82) is further arranged below the vision collector base (81), a vision driving air cylinder (83) is fixed on the vision installation bottom plate (82), a vision driving sliding block (84) is connected to the driving end of the vision driving air cylinder (83), and the vision driving sliding block (84) is fixed at the bottom of the vision collector base (81); the vision installation bottom plate (82) is provided with a vision driving sliding rail (85), and the vision driving sliding rail (85) is connected with the vision driving sliding block (84) in a matched mode.
6. The special metal pipe detection device based on the machine vision is characterized in that: the metal pipe clamping and supporting seat mechanism (12) comprises a supporting frame (121) and two supporting clamping cylinders (122), the mounting surface of the supporting frame (121) is fixedly connected with the mounting column (2), one end, away from the mounting surface, of the supporting frame (121) is a supporting end, the supporting end of the supporting frame (121) is symmetrically provided with two supporting clamping cylinders (122) and two telescopic ends of the supporting clamping cylinders (122) are connected with supporting clamping blocks (123), and the supporting clamping blocks (123) are used for supporting and clamping metal pipes (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022634074.4U CN213544429U (en) | 2020-11-13 | 2020-11-13 | Special metal pipe detection device based on machine vision |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022634074.4U CN213544429U (en) | 2020-11-13 | 2020-11-13 | Special metal pipe detection device based on machine vision |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213544429U true CN213544429U (en) | 2021-06-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022634074.4U Active CN213544429U (en) | 2020-11-13 | 2020-11-13 | Special metal pipe detection device based on machine vision |
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| Country | Link |
|---|---|
| CN (1) | CN213544429U (en) |
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2020
- 2020-11-13 CN CN202022634074.4U patent/CN213544429U/en active Active
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Address after: No.1062 Huangshan Avenue, Yubei District, Chongqing 401120 Patentee after: Chongqing Industrial Automation Instrument Research Institute Co.,Ltd. Address before: No.1062 Huangshan Avenue, Yubei District, Chongqing 401120 Patentee before: Chongqing Inst. of Industrial Automation Instrumentation |